# SOME DESCRIPTIVE TITLE
# Copyright (C) YEAR Free Software Foundation, Inc.
# This file is distributed under the same license as the PACKAGE package.
# FIRST AUTHOR <EMAIL@ADDRESS>, YEAR.
#
#, fuzzy
msgid ""
msgstr ""
"Project-Id-Version: PACKAGE VERSION\n"
"POT-Creation-Date: 2014-01-01 16:50+0100\n"
"PO-Revision-Date: YEAR-MO-DA HO:MI+ZONE\n"
"Last-Translator: FULL NAME <EMAIL@ADDRESS>\n"
"Language-Team: LANGUAGE <LL@li.org>\n"
"Language: \n"
"MIME-Version: 1.0\n"
"Content-Type: text/plain; charset=UTF-8\n"
"Content-Transfer-Encoding: 8bit\n"

#. type: One-char language identifier
#: train703.languagecode:1
#, no-wrap
msgid "E"
msgstr "P"

#. type: Title-text
#: train703/scene.txt:1
#, no-wrap
msgid "train703:Remote control #5"
msgstr "train703:Zdalna kontrola #5"

#. type: Resume-text
#: train703/scene.txt:2
#, no-wrap
msgid "train703:Remote control a bot without using an information exchange post by storing the orders."
msgstr "train703:Zdalnie kontroluj robota bez użycia stacji przekaźnikowej zachowując rozkazy"

#. type: ScriptName-text
#: train703/scene.txt:3
#, no-wrap
msgid "train703:Remote5"
msgstr "train703:Zdalnie5"

#. type: \b; header
#: train703-help/tremote5.txt:1
#, no-wrap
msgid "Exercise"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:3
#, no-wrap
msgid "Remote control a slave robot without using an <a object|exchange>information exchange post</a>. The robot should pass over the 6 blue crosses. "
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:5
#, no-wrap
msgid "The two main actors of this exercise are:\n"
msgstr ""

#. type: Bullet: '1)'
#: train703-help/tremote5.txt:5
#, no-wrap
msgid "The <a object|botgr>wheeled grabber</a> without an energy pack and therefore immobile. This is the master you should program so it will transmit orders to the slave."
msgstr ""

#. type: Bullet: '2)'
#: train703-help/tremote5.txt:6
#, no-wrap
msgid "The slave <a object|bottr>practice bot</a> which is already programmed and just waits for orders from the master."
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:9
#, no-wrap
msgid "The orders shall be stored, so the master will be able to transmit several orders without waiting for each order being processed. We use an <a cbot|array>array</a> for this purpose."
msgstr ""

#. type: \b; header
#: train703-help/tremote5.txt:10
#, no-wrap
msgid "The slave"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:12
#, no-wrap
msgid "First of all we must understand how the program of the slave works. The <a cbot|class>class</a> <code>order</code> contains two members: <code>m_type</code> is the order to execute (move or turn) and <code>m_param</code> is the distance to move or the rotation angle¦:"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:14
#, no-wrap
msgid "<c/><s/><a cbot|public>public</a> <a cbot|class>class</a> order"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:18
#, no-wrap
msgid ""
"{\n"
"\t<a cbot|int>int</a>    m_type;\n"
"\t<a cbot|float>float</a>  m_param;\n"
"}"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:20
#, no-wrap
msgid "A second <a cbot|class>class</a> <code>exchange</code> contains the mechanism for exchanging the orders. We declare a <code><a cbot|static>static</a></code> class member <code>m_fifo</code> which will contain the list of orders to be executed. The word <code>static</code> insures that the member <code>m_fifo</code> is shared between all instances of the <a cbot|class>class</a> exchange."
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:22
#, no-wrap
msgid "<c/><s/>{"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:23
#, no-wrap
msgid "\t<a cbot|static>static</a> <a cbot|private>private</a> order m_fifo[] = null;"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:25
#, no-wrap
msgid "The <code>put</code> method will be used by the master robot for transmitting an order. The order will simply be added at the end of the <code>m_fifo</code> array:"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:27
#, no-wrap
msgid "<c/><s/>\t<a cbot|synchro>synchronized</a> void put(order a)"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:30
#, no-wrap
msgid ""
"\t{\n"
"\t\tm_fifo[sizeof(m_fifo)] = a;\n"
"\t}"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:32
#, no-wrap
msgid "Another method <code>get</code> will be used by the slave to retrieve the orders. This method returns the order to be executed. If the list is empty, <code>null</code> will be returned and the robot must wait for more orders. Otherwise the first order in the list must be returned and the remaining orders must be \"scrolled up\". As an array can not be \"shortened\" we use a temporary array <code>copy</code>¦:"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:34
#, no-wrap
msgid "<c/><s/>\t<a cbot|synchro>synchronized</a> order get()"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:46
#, no-wrap
msgid ""
"\t{\n"
"\t\tif ( sizeof(m_fifo) == 0 )  return null;\n"
"\n"
"\t\torder a = m_fifo[0];\n"
"\t\torder copy[] = null;\n"
"\t\tfor ( int i=1 ; i<sizeof(m_fifo) ; i++ )\n"
"\t\t{\n"
"\t\t\tcopy[i-1] = m_fifo[i];\n"
"\t\t}\n"
"\t\tm_fifo = copy;\n"
"\t\treturn a;\n"
"\t}"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:48
#, no-wrap
msgid "The main program of the slave contains an instance of the class <code>exchange</code> called <code>list</code>. We put () after the word <code>list</code> in order to create an instance of the class <code>exchange</code>."
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:50
#, no-wrap
msgid "<c/><s/><a cbot|extern>extern</a> void object::Slave5( )"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:53
#, no-wrap
msgid ""
"{\n"
"\texchange list();\n"
"\torder    todo;"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:55
#, no-wrap
msgid "The outer <code>while</code> loop lasts for ever. The inner <code>while</code> loop waits for an order by using the <code>get</code> method of the <code>exchange</code> class. As soon as <code>get</code> returns a value different from <code>null</code>, the while loop stops."
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:57
#, no-wrap
msgid "<c/><s/>\t<a cbot|while>while</a> ( true )"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:64
#, no-wrap
msgid ""
"\t{\n"
"\t\t<a cbot|while>while</a> ( true )\n"
"\t\t{\n"
"\t\t\ttodo = list.get();\n"
"\t\t\tif ( todo != null )  break;\n"
"\t\t\twait(1);\n"
"\t\t}"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:66
#, no-wrap
msgid "Now we have received the order in the <code>todo</code> variable. All we have to do is execute it:"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:68
#, no-wrap
msgid "<c/><s/>\t\tif ( todo.m_type == 1 )"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:81
#, no-wrap
msgid ""
"\t\t{\n"
"\t\t\tmove(todo.m_param);\n"
"\t\t}\n"
"\t\telse if ( todo.m_type == 2 )\n"
"\t\t{\n"
"\t\t\tturn(todo.m_param);\n"
"\t\t}\n"
"\t\telse\n"
"\t\t{\n"
"\t\t\tmessage(\"Unknown order\");\n"
"\t\t}\n"
"\t}\n"
"}"
msgstr ""

#. type: \b; header
#: train703-help/tremote5.txt:82
#, no-wrap
msgid "The master"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:84
#, no-wrap
msgid "In the master we write a function called <code>SendOrder</code> which will send an order to the slave:"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:86
#, no-wrap
msgid "<c/><s/>void object::SendOrder(float order, float param)"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:94
#, no-wrap
msgid ""
"{\n"
"\texchange list();\n"
"\torder    todo();\n"
"\t\n"
"\ttodo.m_type = order;\n"
"\ttodo.m_param = param;\n"
"\tlist.put(todo);\n"
"}"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:96
#, no-wrap
msgid "Now the main program of the master is very simple:"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:98
#, no-wrap
msgid "<c/><s/>extern void object::Remote5( )"
msgstr ""

#. type: \s; block (usually verbatim code)
#: train703-help/tremote5.txt:109
#, no-wrap
msgid ""
"{\n"
"\tSendOrder(1, 20);  // move(20);\n"
"\tSendOrder(2, 90);  // turn(90);\n"
"\tSendOrder(1, 20);  // move(20);\n"
"\tSendOrder(2, 90);  // turn(90);\n"
"\tSendOrder(1, 10);  // move(10);\n"
"\tSendOrder(2, 90);  // turn(90);\n"
"\tSendOrder(1, 10);  // move(10);\n"
"\tSendOrder(2,-90);  // turn(-90);\n"
"\tSendOrder(1, 10);  // move(10);\n"
"}"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:111
#, no-wrap
msgid "<format key><key help/></format> show these instruction at any time."
msgstr ""

#. type: \t; header
#: train703-help/tremote5.txt:112
#, no-wrap
msgid "See also"
msgstr ""

#. type: Plain text
#: train703-help/tremote5.txt:113
#, no-wrap
msgid "<a command>Controls</a> and <a cbot>programming</a>."
msgstr ""